Updated to new version of CircularSeekBar that provider Formatter
interface for formattering values into string representation. Then
formatted the value text so it considers what system of unit is choosen
and displays the value in that unit.
Supporting imperial units for values

Updated to new version of CircularSeekBar that provider Formatter
interface for formattering values into string representation. Then
formatted the value text so it considers what system of unit is choosen
and displays the value in that unit.